Astron diagrams, schematics and service manuals download for free. Part 4 how to set up a homebase cb radio station in an apartment complexoff grid power supply. Nts manual, ham aid, public service resources, public service honor roll, nts, volunteer form for deployment consideration, puerto rico caribbean recovery 2017, 2018 hurricanes, hurricane maria 2017, hurricane irma 2017, hurricane harvey response, ares, served agencies and partners, skywarn recognition day, 2019 hurricanes. Troubleshooting and repair of an astron rs20m power. If you buy a supply that has a continuous duty rating sufficient. All of this was done a couple of years before astron came out with their bb option.
Less than 5mv peak to peak full load and low line load regulation. Rs50a rs 50m rm50a rm50m service manual by astron, transcribed by bob wa1mik kb pdf. Feature foldback current limiting to protect the power supply from excessive current or shorted output. Astron rs50 manual here is an original astron owners manual for the rs50m and others in the 50 series. Astron 20a linear power supply with battery backup, 20a ics 16a continuous, 5x9x1012in astron rs20abb javascript seems to be disabled in your browser. I called astron today in ca, and they took my name and address and said they were going to send a switch out to me free of charge. Astron is a company known for producing top quality products that stand the test of time. Haha, i know this is a old video but, i just found it as i was looking for specs on mine and this poped up and i thought cool, that power supply. If you have some stuff that not is listed here you can donate this by contact mods. Two components to check for failure inside your astron rs20a.
But for home base use this one and other astron metered versions are excellent. Theory and repair of astron linear power supplies wb1gof. Power supplies power supplies astron power supplies feature solidstate electronic regulation, emi filter, fold back current limiting for protection from excessive current and shorted output. The astron catalog includes each models continuous duty rating. Rs35m 87kb pdf, dated 595 donated by mike morris wa6ilq. Schematic of the rs12abb 120 kb pdf factory battery backup schematic donated by john lund. When you are in need of reliable dc power supply, look no further than astron power supplies. They routinely had to educate new radio amateurs, desiring save a few dollars asking to buy the rs 20a, about the definition and meaning of icas versus ccs ratings. I would be much obliged for any advice as to what to look for first as i try to repair it. A voltage meter is connected directly across the output. Two components to check for failure inside your astron rs 20a.
The rear panel features the power output terminals. Today i was in the middle of a qso, when my astron rs20a amp and kenwood ts 570s shut down. Front panel cigarette lighter socket on model rs4l. The astron model numbers include their peak current rating. Analytic systems pws11012 110 to 12v 60a converter bench tested good.
For example, the rs35a can deliver up to 35 amps at. In comparing to the 35 amp series such as rs35m, the main. Get the best deals on astron rs 20a when you shop the largest online selection at. Vr1 is a v150la varistor that conducts at voltages above 150 v, protecting the supply against input voltage surges. Free shipping on many items browse your favorite brands. Rs20a 44 kb pdf, dated 012000 donated by ron n8hxr.
Scan contrast or resolutions are always different for a duplicate manual version. Astron power supply ultimate service repair manuals. Free shipping applies to customers in the usa and please email for shipping rates elsewhere. Maintain regulation and low ripple at low line input voltage. To open downloaded files you need acrobat reader or similar pdf reader program. At one point i was visiting a client in in irvine and used the opportunity to stop in at astron to pick up a rs 20a and rs35m schematic, and casually asked if i could buy the lower half sheet metal of an rs20m plus the meters to upgrade my rs 20a to an m series. This astron hit the bench with the symptoms of very low voltage around one or so volts and high current up over 25 amps without any load connected. Yes, but the price was over 23 of the cost of a new supply plus shipping. Schematics and service information on astron power supplies. Crowbar overvoltage protection is also provided on all models except the rs4a. Nowadays it may be easier to just buy the bb version from astron but sometimes its more fun and more educational to roll your own. Astron rs20a 11 15 volts adjustable dc linear power supply 16 amps cont 20 amps ics. Astron power supply index page astron ss30m service manual.
The astron rs series are continuous duty power supplies designed to withstand the rigors of heavyduty or industrial use. The astron is of course a linear power supply and the ss30dv a switching power supply. When using an rs series power supply with your cb radio or amateur transceiver, you will have less noise and other power related issues. This unit is in perfect operational condition and is in very good physical condition.
Inexpensive parts, but does require a bit of knowledge and vom or dvm transistor testing. Note that there is a limit to the number of files you can download. Astron rs12a 11 15 volts adjustable dc linear power supply 9 amps cont 12 amps ics. Download astron rs20s schematic for astron model rs20s power supply ham radio, amateur radio, two way radio, cb radio, walkie talkie service manuals and reapir information. We offer astron power supplies as a high end solution for a 12 volt power source. This can damage the scr or a seriespass transistor, thereby damaging the and i can tell something is burned up because i smelled it we used 2 halogen fog lamps at 9. It is a totally separate operation with no connections to the astron corporation that makes power supplies. Astron power supply ultimate service repair manuals schematics on dvd. Service manuals, schematics, eproms for electrical technicians. Schematic for astron model rs20s power supply service. This auction is one of our largest yet, and features both early and newer ham gear, a great, single owner collection of military radios and accessories as well as some fantastic vintage audio equipment, and many great pieces of. Ultimate astron power supply repair service manual. Astron also builds custom supplies for ge, icom, e.
Rm50a, rm50m, rs50a, rs50m originally had a 2009 schematic that did not match the parts list. Proven process for remanufacturing of ab family of products and repair of nonab products. They routinely had to educate new radio amateurs, desiring save a few dollars asking to buy the rs20a, about the definition and meaning of icas versus ccs ratings. However, this is an ics rating, for intermittent duty only. At one point i was visiting a client in in irvine and used the opportunity to stop in at astron to pick up a rs20a and rs35m schematic, and casually asked if i could buy the lower half sheet metal of an rs20m plus the meters to upgrade my rs20a to an m series. Float modification for the rsrm35as schematic of the astron rs35am with. Dear newsreaders, i have a astron rs20a power supply that has started blowing its fuse even without a load. Most hams esp ots would say the linear is the best, more reliable and the cleanest ps you could choose.
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